Answer:
These organelles are contractile vacuoles
Explanation:
Contractile vacuoles are intercellular pumps that are slowly filled with fresh water and eventually expel their contents outside the cell. Freshwater protists maintain the hydric equilibrium by contractile vacuoles that pump out the water of the cell and thus prevent the cell swelling induced by osmotic stress.
Going by experience, is have to say age is major attribute.
<span>Professor Kwang Jeon observed that some amoebas in his invaded amoeba colonies survived thanks to changes made by the invading bacterias. This comfirmed the endosymbiotic theory that organells are formerly invading free living prokaryotes forms that were integrated and swallowed by others to form a new living unit.</span>
Answer:
subluxation.
Explanation:
Subluxation is the partial displacement of a bone from its joint.
Dislocation is complete displacement of a bone from its joint.
Luxation is complete separation of joints.
Sublocation generally return to its normal position without the help from orthopedic doctor.
Example; Nursemaid's elbow caused by subluxation of head of radius from annular ligament.
Answer:
Continental air masses are characterized by dry air near the surface while maritime air masses are moist. Polar air masses are characterized by cold air near the surface while tropical air masses are warm or hot. Arctic air masses are extremely cold.
